MotS

• Description: Na+-coupled MotP-MotS flagellar stator
  
  

Gene name	motS
Synonyms	ytxE
Essential	no
Product	motility protein (flagellar motor rotation)
Function	motility and chemotaxis
Gene expression levels in SubtiExpress: motS
Interactions involving this protein in SubtInteract: MotS
MW, pI	27 kDa, 10.054
Gene length, protein length	726 bp, 242 aa
Immediate neighbours	acuC, motP
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

motility and chemotaxis, membrane proteins

The gene

Basic information

• Locus tag: BSU29720

Database entries

• BsubCyc: BSU29720

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: motB family (according to Swiss-Prot)

• Paralogous protein(s): MotB

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: MotP-MotS PubMed

• Localization: cell membrane (according to Swiss-Prot)

Database entries

• BsubCyc: BSU29720

• Structure:

• UniProt: P39064

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: ccpA-motP-motS PubMed

• Expression browser: motS PubMed

• Sigma factor: SigA

• Regulation: constitutive

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Naoya Terahara, Motohiko Sano, Masahiro Ito
A Bacillus flagellar motor that can use both Na+ and K+ as a coupling ion is converted by a single mutation to use only Na+.
PLoS One: 2012, 7(9);e46248
[PubMed:23049994] [WorldCat.org] [DOI] (I p)

Naoya Terahara, Makoto Fujisawa, Benjamin Powers, Tina M Henkin, Terry A Krulwich, Masahiro Ito
An intergenic stem-loop mutation in the Bacillus subtilis ccpA-motPS operon increases motPS transcription and the MotPS contribution to motility.
J Bacteriol: 2006, 188(7);2701-5
[PubMed:16547058] [WorldCat.org] [DOI] (P p)

Masahiro Ito, Naoya Terahara, Shun Fujinami, Terry Ann Krulwich
Properties of motility in Bacillus subtilis powered by the H+-coupled MotAB flagellar stator, Na+-coupled MotPS or hybrid stators MotAS or MotPB.
J Mol Biol: 2005, 352(2);396-408
[PubMed:16095621] [WorldCat.org] [DOI] (P p)

Masahiro Ito, David B Hicks, Tina M Henkin, Arthur A Guffanti, Benjamin D Powers, Lior Zvi, Katsuyuki Uematsu, Terry A Krulwich
MotPS is the stator-force generator for motility of alkaliphilic Bacillus, and its homologue is a second functional Mot in Bacillus subtilis.
Mol Microbiol: 2004, 53(4);1035-49
[PubMed:15306009] [WorldCat.org] [DOI] (P p)